Angles Vocabulary Flashcards

1
Q

Parallel

A

lines that will never cross and are the same distance apart and may go on forever (lines will not cross if they go on and on)

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2
Q

Arc

A

Part of a circle that represents an angle between two intersecting lines.

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3
Q

Angles

A

When lines intersect they form angles and angles are the spaces or shapes that are formed between the intersecting lines- they meet at a vertex. Name angles by names of points.

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4
Q

Perpendicular

A

lines that form square corners when they intersect, they form right angles.

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5
Q

Right Angles

A

lines that form it are perpendicular and the angles measure 90 degrees.

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6
Q

Intersection

A

when lines cross they cross at a point called the intersection

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7
Q

Acute angles

A

Angles that are less than a right angle; less than 90 degrees

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8
Q

Obtuse angles

A

angles greater than a right angle: greater than 90 degrees

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9
Q

Straight Angle

A

A straight line-two rays pointing in the opposite directions and it equals 180 degrees

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10
Q

Complementary angles

A

Two angles that form a right angle are called complementary angles =90 degrees

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11
Q

Supplementary angles

A

Two angles combine to form a straight angles=180 degrees

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12
Q

Vertex

A

Point where two rays meet

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13
Q

Congruent

A

Having the same measurment

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14
Q

Degrees

A

A measurement used to measure angles

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15
Q

Protractor

A

A tool that measures angles

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